<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>节流模式</title>
</head>
<body>
执行控制——节流模式
<div id="container">
	<img src="">
<div>
<div id="icon" class="icon">
	<ul class="icon">
		<li class="weixin"></li>
		<li class="weibo"></li>
	</ul>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	<div class="">
		<img class="show" src="img/weixin.png" alt="">
		<img src="img/weibo.png" alt="">
	</div>
	
</div>

<button id="btn">test</button>

</body>
<script src="1.js"></script>
</html>